Hackaday Prize Entry: Refugee Reuniter

The world is dealing with a serious refugee crisis, and with that comes a problem: finding people. The Refugee Reuniter, a project entered into this year’s Hackaday Prize, is a possible solution to this problem. It’s a device that allows people to reconnect with their family, whether it’s children lost in transit to destination countries, or mothers and fathers reuniting.

The basic problem the Refugee Reuniter is trying to solve is tracking people. This is a whole ball of wax that involves privacy and technological concerns. Ideas put forward so far include GPS trackers, implantable RFID tags, and other such …read more

Continue reading Hackaday Prize Entry: Refugee Reuniter

Why are card associations launching RFID enabled payment cards despite of their being unsecure?

You can use applications to get data from these cards. I got tracks data of my cards as well as card number and expiry from my debit card just by single tap of phone. A criminal can use that data and use it ( though my card i… Continue reading Why are card associations launching RFID enabled payment cards despite of their being unsecure?

Creepy Tracking at the House of Mouse

If it’s been a few years since you’ve been to Disney World, you’re in for a surprise on your next visit. It seems the Happiest Place on Earth has become the Trackiest Place on Earth thanks to the Disney MagicBand, a multipurpose wristband that acts as your pass to all the Disney magic.

[Adam] recently returned from a Disney vacation and brought back his MagicBand, which quickly went under the knife for a peek at the magic inside. It turns out the technology is fairly mundane — a couple of flex PCBs with trace antennas and the usual trappings of …read more

Continue reading Creepy Tracking at the House of Mouse

Backscatter Your Own FM Pirate Radio Station

If you live in a city, you’re constantly swimming in a thick soup of radio-frequency energy. FM radio stations put out hundreds of kilowatts each into the air. Students at the University of Washington, [Anran Wang] and [Vikram Iyer], asked themselves if they could harness this background radiation to transmit their own FM radio station, if only locally. The answer was an amazing yes.

The trailer video, embedded below, demos a couple of potential applications, but the paper (PDF) has more detail for the interested. Basically, they turn on and off an absorbing antenna at a frequency that’s picked so …read more

Continue reading Backscatter Your Own FM Pirate Radio Station